Provide an easier mechanism for using drupal_get_form() directly

Updated: Comment #N

Problem/Motivation

As we convert forms to use FormInterface, we come across cases where the form is used not as the route controller directly, and drupal_get_form() must be used.

We end up with code like this:

drupal_get_form(new SearchBlockForm());
drupal_get_form(ConfirmDeleteMultiple::create(\Drupal::getContainer()));

Proposed resolution

Make drupal_get_form() smart enough to take a class name, and instantiate it. Follow the same code flow as HtmlFormController (the class that process _form controllers):

drupal_get_form('Drupal\comment\Form\ConfirmDeleteMultiple');
drupal_get_form('Drupal\search\Form\SearchBlockForm');

Remaining tasks

N/A

User interface changes

N/A

API changes

API addition: Allow class names to be passed to drupal_get_form().

Related Issues